Gas Optimization Audit: Uniswap V4
Gas Optimization Audit: Uniswap V4 Target Protocol : Uniswap V4 (TVL: $1467.9M) Gas‑Optimization Audit Report Protocol: Uniswap V4 (TVL ≈ $1.47 B across Ethereum & L2s) Audit Type: Gas‑Efficiency & Execution‑Cost Review (with security‑impact considerations) Date: 22 Oct 2026 Prepared by: Senior DeFi Security Researcher – Smart‑Contract Auditor 1. Executive Summary Uniswap V4 introduces a…
Uniswap V4, with a total value locked (TVL) of approximately $1.47 billion across Ethereum and L2s, underwent a gas optimization audit in October 2026. The audit aimed to improve gas efficiency without altering functional semantics, focusing on the core contracts and hook implementations. Key areas identified for gas savings included the swap loop in Pool.sol (12-15% reduction), calldata parsing in HookManager (8-10% reduction), multicall aggregation in Router (5-7% reduction), and createPool deterministic address computation in Factory (3-4% reduction).
The overall potential gas reduction across typical user journeys is estimated at 20-25%, translating to approximately $0.45 million in fee savings per year. No critical security flaws were discovered, but some attack vectors, such as front-running of hook execution and flash loan re-entrancy, become more attractive when gas costs are lowered.
Recommendations focus on preserving protective modifiers and validation steps while implementing gas-saving optimizations.
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